.eslintrc.yml

env:
  browser: true

globals:
  $: false
  brackets: false
  define: false

rules:
# Possible Errors
  comma-dangle: 2 # require or disallow trailing commas
  no-cond-assign: 1 # disallow assignment operators in conditional expressions
  no-console: 0 # disallow the use of console
  no-constant-condition: 2 # disallow constant expressions in conditions
  no-control-regex: 1 # disallow control characters in regular expressions
  no-debugger: 2 # disallow the use of debugger
  no-dupe-args: 2 # disallow duplicate arguments in function definitions
  no-dupe-keys: 2 # disallow duplicate keys in object literals
  no-duplicate-case: 2 # disallow duplicate case labels
  no-empty: 1 # disallow empty block statements
  no-empty-character-class: 1 # disallow empty character classes in regular expressions
  no-ex-assign: 1 # disallow reassigning exceptions in catch clauses
  no-extra-boolean-cast: 1 # disallow unnecessary boolean casts
  no-extra-parens: 1 # disallow unnecessary parentheses
  no-extra-semi: 1 # disallow unnecessary semicolons
  no-func-assign: 2 # disallow reassigning function declarations
  no-inner-declarations: 1 # disallow function or var declarations in nested blocks
  no-invalid-regexp: 2 # disallow invalid regular expression strings in RegExp constructors
  no-irregular-whitespace: 1 # disallow irregular whitespace outside of strings and comments
  no-negated-in-lhs: 1 # disallow negating the left operand in in expressions
  no-obj-calls: 1 # disallow calling global object properties as functions
  no-prototype-builtins: 1 # Disallow use of Object.prototypes builtins directly
  no-regex-spaces: 1 # disallow multiple spaces in regular expression literals
  no-sparse-arrays: 1 # disallow sparse arrays
  no-unexpected-multiline: 1 # disallow confusing multiline expressions
  no-unreachable: 2 # disallow unreachable code after return, throw, continue, and break statements
  no-unsafe-finally: 1 # disallow control flow statements in finally blocks
  use-isnan: 2 # require calls to isNaN() when checking for NaN
  valid-jsdoc: [2, {requireReturn: false}] # enforce valid JSDoc comments
  valid-typeof: 2 # enforce comparing typeof expressions against valid strings
# Best Practices
  accessor-pairs: 1 # enforce getter and setter pairs in objects
  array-callback-return: 1 # enforce return statements in callbacks of array methods
  block-scoped-var: 1 # enforce the use of variables within the scope they are defined
  complexity: 0 # enforce a maximum cyclomatic complexity allowed in a program
  consistent-return: 1 # require return statements to either always or never specify values
  curly: 1 # enforce consistent brace style for all control statements
  default-case: 1 # require default cases in switch statements
  dot-location: 0 # enforce consistent newlines before and after dots
  dot-notation: 1 # enforce dot notation whenever possible
  eqeqeq: 1 # require the use of === and !==
  guard-for-in: 0 # require for-in loops to include an if statement
  no-alert: 1 # disallow the use of alert, confirm, and prompt
  no-caller: 2 # disallow the use of arguments.caller or arguments.callee
  no-case-declarations: 1 # disallow lexical declarations in case clauses
  no-div-regex: 1 # disallow division operators explicitly at the beginning of regular expressions
  no-else-return: 0 # disallow else blocks after return statements in if statements
  no-empty-function: 1 # disallow empty functions
  no-empty-pattern: 1 # disallow empty destructuring patterns
  no-eq-null: 1 # disallow null comparisons without type-checking operators
  no-eval: 2 # disallow the use of eval()
  no-extend-native: 2 # disallow extending native types
  no-extra-bind: 2 # disallow unnecessary calls to .bind()
  no-extra-label: 2 # disallow unnecessary labels
  no-fallthrough: 0 # disallow fallthrough of case statements
  no-floating-decimal: 1 # disallow leading or trailing decimal points in numeric literals
  no-implicit-coercion: 1 # disallow shorthand type conversions
  no-implicit-globals: 2 # disallow var and named function declarations in the global scope
  no-implied-eval: 2 # disallow the use of eval()-like methods
  no-invalid-this: 0 # disallow this keywords outside of classes or class-like objects
  no-iterator: 1 # disallow the use of the __iterator__ property
  no-labels: 1 # disallow labeled statements
  no-lone-blocks: 1 # disallow unnecessary nested blocks
  no-loop-func: 1 # disallow function declarations and expressions inside loop statements
  no-magic-numbers: 0 # disallow magic numbers
  no-multi-spaces: 1 # disallow multiple spaces
  no-multi-str: 1 # disallow multiline strings
  no-native-reassign: 1 # disallow reassigning native objects
  no-new: 1 # disallow new operators outside of assignments or comparisons
  no-new-func: 2 # disallow new operators with the Function object
  no-new-wrappers: 2 # disallow new operators with the String, Number, and Boolean objects
  no-octal: 2 # disallow octal literals
  no-octal-escape: 1 # disallow octal escape sequences in string literals
  no-param-reassign: 0 # disallow reassigning function parameters
  no-proto: 2 # disallow the use of the __proto__ property
  no-redeclare: 2 # disallow var redeclaration
  no-return-assign: 1 # disallow assignment operators in return statements
  no-script-url: 2 # disallow javascript: urls
  no-self-assign: 2 # disallow assignments where both sides are exactly the same
  no-self-compare: 2 # disallow comparisons where both sides are exactly the same
  no-sequences: 1 # disallow comma operators
  no-throw-literal: 1 # disallow throwing literals as exceptions
  no-unmodified-loop-condition: 1 # disallow unmodified loop conditions
  no-unused-expressions: 1 # disallow unused expressions
  no-unused-labels: 1 # disallow unused labels
  no-useless-call: 2 # disallow unnecessary calls to .call() and .apply()
  no-useless-concat: 2 # disallow unnecessary concatenation of literals or template literals
  no-useless-escape: 1 # disallow unnecessary escape characters
  no-void: 1 # disallow void operators
  no-warning-comments: 0 # disallow specified warning terms in comments
  no-with: 1 # disallow with statements
  radix: 1 # enforce the consistent use of the radix argument when using parseInt()
  vars-on-top: 0 # require var declarations be placed at the top of their containing scope
  wrap-iife: 0 # require parentheses around immediate function invocations
  yoda: 1 # require or disallow “Yoda” conditions
# Strict Mode
  strict: 1 # require or disallow strict mode directives
# Variables
  init-declarations: 0 # require or disallow initialization in var declarations
  no-catch-shadow: 1 # disallow catch clause parameters from shadowing variables in the outer scope
  no-delete-var: 2 # disallow deleting variables
  no-label-var: 2 # disallow labels that share a name with a variable
  no-restricted-globals: 0 # disallow specified global variables
  no-shadow: 1 # disallow var declarations from shadowing variables in the outer scope
  no-shadow-restricted-names: 2 # disallow identifiers from shadowing restricted names
  no-undef: 2 # disallow the use of undeclared variables unless mentioned in /*global */ comments
  no-undef-init: 2 # disallow initializing variables to undefined
  no-undefined: 1 # disallow the use of undefined as an identifier
  no-unused-vars: [2, {vars: all, args: none}] # disallow unused variables
  no-use-before-define: 1 # disallow the use of variables before they are defined
# Stylistic Issues
  array-bracket-spacing: 1 # enforce consistent spacing inside array brackets
  block-spacing: 1 # enforce consistent spacing inside single-line blocks
  brace-style: 1 # enforce consistent brace style for blocks
  camelcase: [1, {properties: never}] # enforce camelcase naming convention
  comma-spacing: 1 # enforce consistent spacing before and after commas
  comma-style: 1 # enforce consistent comma style
  computed-property-spacing: 1 # enforce consistent spacing inside computed property brackets
  consistent-this: 1 # enforce consistent naming when capturing the current execution context
  eol-last: 1 # enforce at least one newline at the end of files
  func-names: 0 # enforce named function expressions
  func-style: 0 # enforce the consistent use of either function declarations or expressions
  id-blacklist: 0 # disallow specified identifiers
  id-length: 0 # enforce minimum and maximum identifier lengths
  id-match: 0 # require identifiers to match a specified regular expression
  indent: [1, 4, {SwitchCase: 1}] # enforce consistent indentation
  jsx-quotes: 0 # enforce the consistent use of either double or single quotes in JSX attributes
  key-spacing: 1 # enforce consistent spacing between keys and values in object literal properties
  keyword-spacing: 1 # enforce consistent spacing before and after keywords
  linebreak-style: 0 # enforce consistent linebreak style
  lines-around-comment: 0 # require empty lines around comments
  max-depth: 0 # enforce a maximum depth that blocks can be nested
  max-len: 0 # enforce a maximum line length
  max-lines: 0 # enforce a maximum file length
  max-nested-callbacks: 0 # enforce a maximum depth that callbacks can be nested
  max-params: 0 # enforce a maximum number of parameters in function definitions
  max-statements: 0 # enforce a maximum number of statements allowed in function blocks
  max-statements-per-line: 1 # enforce a maximum number of statements allowed per line
  new-cap: 1 # require constructor function names to begin with a capital letter
  new-parens: 1 # require parentheses when invoking a constructor with no arguments
  newline-after-var: 0 # require or disallow an empty line after var declarations
  newline-before-return: 0 # require an empty line before return statements
  newline-per-chained-call: 0 # require a newline after each call in a method chain
  no-array-constructor: 2 # disallow Array constructors
  no-bitwise: 0 # disallow bitwise operators
  no-continue: 0 # disallow continue statements
  no-inline-comments: 0 # disallow inline comments after code
  no-lonely-if: 1 # disallow if statements as the only statement in else blocks
  no-mixed-operators: 0 # disallow mixes of different operators
  no-mixed-spaces-and-tabs: 1 # disallow mixed spaces and tabs for indentation
  no-multiple-empty-lines: 1 # disallow multiple empty lines
  no-negated-condition: 1 # disallow negated conditions
  no-nested-ternary: 1 # disallow nested ternary expressions
  no-new-object: 1 # disallow Object constructors
  no-plusplus: 0 # disallow the unary operators ++ and --
  no-restricted-syntax: 0 # disallow specified syntax
  no-spaced-func: 1 # disallow spacing between function identifiers and their applications
  no-ternary: 0 # disallow ternary operators
  no-trailing-spaces: 1 # disallow trailing whitespace at the end of lines
  no-underscore-dangle: 0 # disallow dangling underscores in identifiers
  no-unneeded-ternary: 1 # disallow ternary operators when simpler alternatives exist
  no-whitespace-before-property: 0 # disallow whitespace before properties
  object-curly-spacing: 1 # enforce consistent spacing inside braces
  object-property-newline: 1 # enforce placing object properties on separate lines
  one-var: 0 # enforce variables to be declared either together or separately in functions
  one-var-declaration-per-line: 0 # require or disallow newlines around var declarations
  operator-assignment: 0 # require or disallow assignment operator shorthand where possible
  operator-linebreak: 0 # enforce consistent linebreak style for operators
  padded-blocks: [1, never] # require or disallow padding within blocks
  quote-props: 0 # require quotes around object literal property names
  quotes: [1, double] # enforce the consistent use of either backticks, double, or single quotes
  require-jsdoc: 0 # require JSDoc comments
  semi: 1 # require or disallow semicolons instead of ASI
  semi-spacing: 1 # enforce consistent spacing before and after semicolons
  sort-vars: 0 # require variables within the same declaration block to be sorted
  space-before-blocks: 1 # enforce consistent spacing before blocks
  space-before-function-paren: [1, {anonymous: always, named: never}] # enforce consistent spacing before function definition opening parenthesis
  space-in-parens: 1 # enforce consistent spacing inside parentheses
  space-infix-ops: 1 # require spacing around operators
  space-unary-ops: 1 # enforce consistent spacing before or after unary operators
  spaced-comment: 1 # enforce consistent spacing after the // or /* in a comment
  unicode-bom: 1 # require or disallow the Unicode BOM
  wrap-regex: 0 # require parenthesis around regex literals